Answer:
D
Explanation:
When a population is genetically diverse there is a higher probability for some individuals in that population to survive during harsh conditions such as drought due to their highly resistant genes.
Answer:
B-B. Gymnosperms are placed among Dicotyledons
The answer is b. the germ theory of disease.
Louis Pasteur proposed that some diseases are caused by germs in the XIX century.
The concept of atomic weight was proposed by John Dalton. Benjamin Franklin proposed a simple theory of electricity, which was later compounded by Charles du Fay. The theory of evolution was proposed by Charles Darwin.
Answer:
A symbol that indicates the sedimentary rocks (for example, salt rocks).
Explanation:
The sedimentary rocks are formed through time by cycles of evaporation and the consequent deposition of minerals. In the case of salt rocks, for example, they are generated by the accumulation of layers of salt in the seashore through the movement of the sea waves, i.e., by the evaporation of seawater and subsequent accumulation of salt.
The current taxonomic system now has eight levels in its hierarchy, from lowest to highest, they are: species, genus, family, order, class, phylum, kingdom, domain. Thus species are grouped within genera, genera are grouped within families, families are grouped within orders, and so on
